This paper introduced the improves of roasting-sodium processing and such pollution-free processing as acid leaching-extration,roasting in air-acid leaching-extration,liming roasting-alkali leaching on extraction of V_2O_5 from stone coal,the total recovery rate obtains enhances,the industrial application prospect is good.
介绍了石煤提钒传统工艺的改进以及酸法-萃取、无盐焙烧-酸浸-萃取、氧化焙烧-碱浸等几种从石煤无污染提取五氧化二钒的工艺流程,上述工艺不但生产过程无环境污染,钒的回收率还大有提高,是很有前途的清洁生产工艺。
Extracting Co and Cu from cobalt white alloy in hydrochloric acid solution system with pollution-free oxidant are studied.
在盐酸体系中,采用无污染氧化剂浸出难溶钴白合金的工艺条件进行了研究。
Each method has its advantage and weakness, but the method of no pollution and high productivity is more and more concerned by people.
异氰酸酯是一种重要的有机合成材料,它的合成方法主要有光气法,碳酸二甲酯法,硝基苯羰化等;每种方法各自有其优点和缺点,但无污染,高产率的合成方法,越来越受到人们的重视。
Using the technology of fermentation bed of organic ecological fungus to raise chickens,the results show that the chicken house was of no odor and no pollution.
利用有机生态菌对发酵床养鸡技术进行了试验研究,结果表明:采用有机生态菌制剂养鸡具有无臭味、无污染、可提高鸡的免疫力等优点,同时省工省饲料,经济效益明显提高。
The non-pollution technology and environmental treatment in Fukang smeltery are introduced in the paper.
介绍了阜康冶炼厂无污染新工艺和环境治理的有关情况 ,从理论上阐述了无污染工艺和污水治理的技术原理 ,对有色金属冶炼工业逐步采用湿法精炼清洁工艺有一定的指导作
This is a new non-pollution leather dying technology.
结果表明： ＣＯ２ 超临界流体介质代替水作介质可用于皮革染色， 并且具有节约染料、上染率高、染料分散均匀、结合牢固等优点， 是一种新的无污染的染色技术。
Relation of open-circuit voltage and oxygen content in molten metal during unpolluted deoxidization;
无污染脱氧过程中外电路电压与熔池中氧含量的关系
Researches on metallurgy with controlled oxygen flow for unpolluted deoxidation for molten metal and extraction of metal from oxide dissolved in ionic melt are introduced.
总结可控氧流冶金的原理、特点、方法,介绍可控氧流冶金在金属熔体的无污染脱氧以及从溶解于离子熔体中的氧化物提取有价金属方面的研究状况,认为可控氧流冶金有利于创建全新的绿色冶金新技术。
Solid electrolyte, electronic conduction materials and deoxidizer are integrated to make into a deoxidization unit which is used in examination of the unpolluted deoxidization without inclusion for steel melts.
实验表明,脱氧体在钢液中的无污染脱氧过程是一个高速、高效的过程,而且脱氧产物和脱氧剂对钢液均不造成污染。
Research and Application of a New Non-polluting Salt Bath Nitrocarburising Process;
新型无污染盐浴软氮化工艺的研究与应用
One way to get rid of the polluted air is to build a car that does not pollute.
消除污染的方法便是制造一种无污染的汽车。
The wire must be free from contamination,rust and mechanical damage.
钢丝表面无污染,锈蚀和机械损伤.
Free of Dirt, Contamination, Radiation and Explosives or other Impurities.
无污染、放射、爆炸物或其它杂质。
Pollution-free, economize and energy-saving, make it has green environmental-protective quality.
无污染、电节能更具绿色环保品质。
The researchers claimed that the system was reliable, efficient, and pollution-free.
研究者们声称，整个系统可靠、效、无污染。
Corrosion resisting non-pollution,lower noise,long service life.
耐腐蚀、无污染、运转稳定、噪音低、寿命长。
No Pollution Agriculture Product s Prospect and Measure;
发展无污染安全农产品的前景和对策
The solid residual after decomposition is colorless, odorless and pollutionfree and will not affect the appearance and properties of the foamed objects.
分解后固体残渣无色无味无污染，不影响产品外观及其性能。
free of weeds, contamination, pollution, etc
无杂草、 传染、 污染等.
Environmental pollution transcends administrative boundaries.
环境污染，无分疆界。
"Clean:Free from dirt, stain, or impurities; unsoiled."
干净的:无灰尘、污迹或杂质的;未污染的.
Low-nitrogen combustion technology, smokeless and odorless, without harmful gas.
无二次污染低氮燃烧技术，无烟，无臭，无有害气体。
It is necessary to remove the dirt and pathogenic bacteria, to avoid contaminating germ free or sanitizing articles and to avoid infection and cross-infection.
答：除去手上的污垢及污染的致病菌，避免污染无菌物品或清洁物品，避免感染和交叉感染。
Pollution can't be controlled, or am I talking nonsense?
污染无法控制，我可不是瞎说吧？
Can dispel inorganic and organic pollutants,as well as toxicant.
可消除无机和有机污染物、有毒物。
Study on Detoxification of Dioxins Contaminated Sediment by Pyrolysis;
二噁英类污染底泥的热解无害化研究
The Reactive Power Optimazation on SVC with Harmonic Pollution;
基于SVC考虑谐波污染的无功优化
Study on Amends Limit on No－ fault Environmental Harms Caused by Pollution;
无过错环境污染损害的赔偿限度研究